CN110374525B - Iron roughneck floating type tong head suspension device and debugging method thereof - Google Patents
Iron roughneck floating type tong head suspension device and debugging method thereof Download PDFInfo
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- CN110374525B CN110374525B CN201910628635.9A CN201910628635A CN110374525B CN 110374525 B CN110374525 B CN 110374525B CN 201910628635 A CN201910628635 A CN 201910628635A CN 110374525 B CN110374525 B CN 110374525B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 239000000725 suspension Substances 0.000 title claims abstract description 86
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
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Abstract
The invention discloses a floating type tong head suspension device for iron roughneck and a debugging method thereof, comprising a connecting frame fixedly connected with a tong head assembly, wherein the telescopic end of a telescopic arm of the iron roughneck is connected with a hanging beam, and a flexible suspension device and a buffer device are arranged between the connecting frame and the hanging beam; the upper end of the flexible suspension device is rotationally connected with the hanging beam, and the lower end of the flexible suspension device is rotationally connected with the connecting frame; each buffer device comprises a guide pin, a plurality of buffer springs are sleeved on the guide pins, and the connecting end of each guide pin is in threaded connection with a nut; the cross brace is vertically penetrated in the middle of a plurality of buffer springs on guide pins of a plurality of buffer devices in the radial direction, and two ends of the cross brace are fixedly connected with connecting frames; the bottom crossbeam of stores pylon is on a parallel with the stull, and the bottom crossbeam of stores pylon radially vertically wears between nut and the buffer spring on a plurality of buffer's uide pin, stores pylon upper end and hanging beam rigid coupling, simple structure, convenient maintenance, floating connection, adaptability is good, effectively cushions the impact, increase of service life, adjustable structure, and the application range is wide.
Description
Technical Field
The invention belongs to the technical field of iron roughneck, relates to a floating type tong head suspension device for the iron roughneck, and further relates to a debugging method of the device.
Background
In the automatic drilling production, an iron roughneck is the most advanced torque make-up and break-out equipment at present, can complete make-up and break-out work of drilling tools such as a drill rod, a drill collar and the like, improves the production efficiency and the safety, and is one of important automatic equipment in modern drilling. However, from the feedback situation of the use of the current oil field, the work efficiency of the existing iron roughneck for making up and breaking out is low, wherein a very important influencing factor is that the iron roughneck including the screwing tongs and the punching tongs cannot adapt to various working conditions of the drilling tool in the drilling field well, and especially when the drill rod is in abnormal working conditions such as inclination and shaking, the current oil fully-mechanized mining quantity and progress requirements put higher requirements on the adaptability of the iron roughneck assembly.
The large and medium-sized oil field uses more iron roughneck at present throughout, and the type is various, and the structure is changeable, and its binding clip assembly connecting device who uses also is the structure difference, but the vast majority all has a drawback: the existing tong head assembly is in rigid contact with a drill rod completely, the tong head assembly cannot float according to working condition requirements, the contact effect of the tong head assembly of an iron roughneck and the drill rod cannot be influenced by the fact that the tong head assembly cannot float, the tong head cannot well carry out screwing and screwing treatment on the iron roughneck, and finally the screwing and unscrewing efficiency of the iron roughneck is influenced.
Disclosure of Invention
The invention aims to provide a floating type tong head suspension device for an iron roughneck, which solves the problem that a tong head assembly of the iron roughneck in the prior art can not float according to the requirement of working conditions.
Another object of the present invention is to provide a method for adjusting the above-mentioned binding clip connecting device.
The invention adopts the technical scheme that the iron roughneck floating type tong head suspension device comprises a connecting frame fixedly connected with a tong head assembly, wherein the telescopic end of an iron roughneck telescopic arm is connected with a hanging beam, and a plurality of parallel flexible suspension devices and a plurality of parallel buffer devices are arranged between the connecting frame and the hanging beam; the upper end of the flexible suspension device is rotationally connected with the hanging beam, and the lower end of the flexible suspension device is rotationally connected with the connecting frame; each buffer device comprises a guide pin arranged in parallel to the hanging beam, a plurality of buffer springs are sleeved on the guide pins, and the connecting end of each guide pin is in threaded connection with a nut used for adjusting the pressing force of each buffer spring; the cross arm is vertically penetrated in the middle of a plurality of buffer springs on guide pins of a plurality of buffer devices in the radial direction, and two ends of the cross arm are fixedly connected with one side of the connecting frame away from the tong head assembly; the bottom cross beam of the hanging frame is parallel to the cross brace, the bottom cross beam of the hanging frame radially and vertically penetrates between the nuts and the buffer springs on the guide pins of the plurality of buffer devices, and the upper end of the hanging frame is fixedly connected with one end, far away from the tong head assembly, of the hanging beam.
The invention is also characterized in that:
the hanging beam is a pair of inverted U-shaped steel which is parallel to each other, the upper ends of the hanging beams are respectively provided with a connecting lug, the telescopic end of the telescopic arm of the iron roughneck is connected with the connecting lug through a pin shaft IV, and the side face of the hanging beam and the upper end of the connecting frame are respectively provided with a plurality of pin holes which correspond to each other in the vertical position.
At least two pairs of flexible suspension devices which are parallel to each other and at least one pair of buffer devices which are parallel to each other are arranged between the connecting frame and the hanging beam.
The upper end of the flexible suspension device is connected with the suspension beam through a pin shaft I, and the lower end of the flexible suspension device is connected with the connecting frame through a pin shaft or a shackle.
The flexible suspension device is in a ring chain structure or a steel wire rope and comprises a pair of front hanging chains and a pair of rear hanging chains.
The upper ends of the front and rear suspension chains are connected with the suspension beam through a pin shaft I, the lower end of the front suspension chain is connected with the connecting frame through a pin shaft I, and the lower end of the rear suspension chain is connected with the connecting frame through a shackle.
Two ends of the cross arm are fixedly connected with the connecting frame through a pair of pin shafts III respectively.
The hanging frame is a U-shaped square frame, and two sides of the upper end of the hanging frame are fixedly connected with the hanging beam through a pair of pin shafts II respectively.
Check rings are arranged between the bottom cross beam of the hanging rack and the nut as well as between the bottom cross beam of the hanging rack and the buffer spring.
Another technical scheme of the invention is that the debugging method of the iron roughneck floating type tong head suspension device specifically comprises the following steps:
The invention has the beneficial effects that:
1. the floating type iron roughneck suspension device provided by the invention has the advantages that the gravity of the tong head assembly is borne by the suspension beam and the connecting frame through the flexible suspension devices, so that the whole device has the flexible characteristic, compared with the rigid suspension of a conventional iron roughneck, the flexible suspension enables the tong head assembly to have better self-adaptability, the contact capacity of the tong head assembly and a drill string is improved, and the drill rod processing capacity of the tong head assembly is improved;
2. the floating type binding clip suspension device for the iron roughneck adopts a buffer device consisting of a guide pin, a buffer spring, a check ring and the like, the buffer device is arranged between a hanging frame and a cross brace, the cross brace (5) is connected with a connecting frame, the connecting frame is connected with a binding clip assembly, the method is equivalent to the method that the hanging frame is elastically connected with the binding clip assembly, when the iron roughneck assembly impacts in the process of processing a drill rod, the impact force can be sequentially transmitted to the connecting frame, the cross brace and the buffer device, at the moment, the buffer spring in the buffer device can provide elastic force, the flexible contact between the iron roughneck assembly and a drilling tool is realized, the shaking impact is flexibly counteracted, the rigid collision between the binding clip assembly and the drill rod is eliminated, the damage to the drill rod and the binding clip assembly is reduced, and the service life is prolonged;
3. the floating type tong head suspension device for the iron roughneck disclosed by the invention is used for adjusting the rigidity of the buffer spring by using the adjusting nut, is suitable for drilling tool treatment under various working conditions, and effectively improves the application range;
4. the floating type tong head suspension device for the iron roughneck adopts the flexible suspension device and the buffer device, simultaneously has the flexible characteristic of the flexible suspension device and the elastic characteristic of the buffer spring in the buffer device, can comprehensively realize the floating characteristic of the connecting frame and the tong head assembly, can effectively improve the adaptability of the tong head assembly and a drilling tool, improve the contact efficiency of the tong head assembly and the drilling tool, further improve the capacity of the iron roughneck for processing the drilling tool and improve the working efficiency;
5. the floating type tong head suspension device for the iron roughneck has the advantages of simple structure and low cost, can be maintained in simple and crude environments such as an oil field site and the like, and is easy for daily maintenance and part replacement.
Drawings
FIG. 1 is a schematic structural diagram of a floating type tong head suspension device for iron roughnecks according to the invention;
FIG. 2 is a side view of a floating tong head suspension device for an iron roughneck of the present invention;
FIG. 3 is a top view of a floating tong head suspension device for an iron roughneck of the present invention;
FIG. 4 is a schematic structural view of the guide pin in the floating type tong head suspension device for the iron roughneck;
in the figure, 1, a hanging beam, 2, a front hanging chain, 3, a pin shaft I, 4, a connecting frame, 5, a cross brace, 6, a buffer device, 7, a hanging frame, 8, a rear hanging chain, 9, a pin shaft II, 10, a pin shaft III, 11, a pin shaft IV, 12, a guide pin, 13, a buffer spring, 14, a retainer ring, 15, a nut, 16, a shackle, 17, a tong head assembly and 18, an iron roughneck telescopic arm.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a floating type binding clip suspension device for an iron roughneck, which comprises a connecting frame 4 fixedly connected with a binding clip assembly 17, wherein the binding clip assembly 17 comprises a punching clamp and a screwing clamp, the telescopic end of a telescopic arm 18 of the iron roughneck is connected with a hanging beam 1, and a plurality of parallel flexible suspension devices and a plurality of parallel buffer devices 6 are arranged between the connecting frame 4 and the hanging beam 1; the upper end of the flexible suspension device is rotationally connected with the hanging beam 1, and the lower end of the flexible suspension device is rotationally connected with the connecting frame 4; each buffer device 6 comprises a guide pin 12 arranged parallel to the hanging beam 1, a plurality of buffer springs 13 are sleeved on the guide pin 12, and the connecting end of the guide pin 12 is in threaded connection with a nut 15 for adjusting the pressing force of the buffer springs 13; the cross arm 5 vertically penetrates through the middles of the buffer springs 13 on the guide pins 12 of the buffer devices 6 in the radial direction, and two ends of the cross arm 5 are fixedly connected with one side of the connecting frame 4 away from the tong head assembly 17; the bottom cross beam of the hanging rack 7 is parallel to the cross brace 5, the bottom cross beam of the hanging rack 7 radially and vertically penetrates between the nuts 15 and the buffer springs 13 on the guide pins 12 of the plurality of buffer devices 6, and the upper end of the hanging rack 7 is fixedly connected with one end of the hanging beam 1, which is far away from the tong head assembly 17.
As shown in fig. 1, the hanging beam 1 is a pair of parallel inverted U-shaped steel, the upper end of the hanging beam 1 is provided with a connecting lug, the telescopic end of the telescopic arm 18 of the iron roughneck is connected with the connecting lug through a pin shaft iv 11, the side surface of the hanging beam 1 and the upper end of the connecting frame 4 are provided with a plurality of pin holes corresponding to each other in the up-down position, and the hanging beam is simple in structure and reliable in connection.
At least two pairs of parallel flexible suspension devices and at least one pair of parallel buffer devices 6 are arranged between the connecting frame 4 and the hanging beam 1.
The upper end of the flexible suspension device is connected with the suspension beam 1 through a pin shaft I3, and the lower end of the flexible suspension device is connected with the connecting frame 4 through a pin shaft or a shackle 16.
The flexible suspension device is of a ring chain type structure or a steel wire rope and comprises a pair of front hanging chains 2 and a pair of rear hanging chains 8.
The upper ends of the front hanging chain 2 and the rear hanging chain 8 are connected with the hanging beam 1 through a pin shaft I3, the lower end of the front hanging chain 2 is connected with the connecting frame 4 through a pin shaft I3, and the lower end of the rear hanging chain 8 is connected with the connecting frame 4 through a shackle 16.
As shown in fig. 3, two ends of the cross brace 5 are fixedly connected to the connecting frame 4 through a pair of pin shafts iii 10, respectively.
As shown in fig. 1, 3 and 4, the hanging rack 7 is a U-shaped square frame, and two sides of the upper end of the hanging rack 7 are fixedly connected with the hanging beam 1 through a pair of pin shafts ii 9 respectively.
As shown in fig. 3 and 4, the retainer rings 14 are respectively installed between the bottom cross beam of the hanger 7 and the nut 15, and between the bottom cross beam of the hanger 7 and the buffer spring 13, so that the stressed areas of the nut and the buffer spring can be increased, the nut 15, the buffer spring 13 and the bottom cross beam of the hanger 7 are prevented from being impacted and damaged for a long time, an axial limiting effect can be achieved, and the hanger 7 is prevented from moving axially.
The debugging method of the floating type tong head suspension device for the iron roughneck specifically comprises the following steps:
The invention relates to a floating type tong head suspension device for an iron roughneck and a debugging method thereof, which have the beneficial effects that: the iron roughneck floating type tong head suspension device is passively applied to processing the contact impact force between the iron roughneck tong head assembly and the drill rod after being assembled, and the debugging method is used for solving the problem that the impact processing effect is influenced because the stiffness of a buffer spring in the buffer device is not properly adjusted in the using process of the iron roughneck floating type tong head suspension device; the floating type binding clip suspension device for the iron roughneck has the advantages that the structure is simple, the cost is low, the maintenance is convenient, the flexible suspension device is adopted to enable the binding clip assembly to have better self-adaptability, the contact capability of the binding clip assembly and a drilling tool is improved, the drilling tool processing capability of the binding clip assembly is improved, and the debugging method of the floating type binding clip suspension device for the iron roughneck is simple, convenient, effective and practical to operate.
Claims (7)
1. A floating type binding clip suspension device for iron roughneck comprises a connecting frame (4) fixedly connected with a binding clip assembly (17), and is characterized in that the telescopic end of an iron roughneck telescopic arm (18) is connected with a hanging beam (1), and a plurality of parallel flexible suspension devices and a plurality of parallel buffer devices (6) are arranged between the connecting frame (4) and the hanging beam (1); the upper end of the flexible suspension device is rotationally connected with the hanging beam (1), and the lower end of the flexible suspension device is rotationally connected with the connecting frame (4); each buffer device (6) comprises a guide pin (12) which is arranged in parallel to the hanging beam (1), a plurality of buffer springs (13) are sleeved on the guide pin (12), and the connecting end of the guide pin (12) is in threaded connection with a nut (15) used for adjusting the pressing force of each buffer spring (13); the cross brace (5) is vertically penetrated in the middle of a plurality of buffer springs (13) on guide pins (12) of a plurality of buffer devices (6) in the radial direction, and two ends of the cross brace (5) are fixedly connected with one side of the connecting frame (4) far away from the tong head assembly (17); the bottom cross beam of the hanging rack (7) is parallel to the cross brace (5), the bottom cross beam of the hanging rack (7) radially and vertically penetrates between the nuts (15) and the buffer springs (13) on the guide pins (12) of the plurality of buffer devices (6), and the upper end of the hanging rack (7) is fixedly connected with one end, far away from the tong head assembly (17), of the hanging beam (1);
the hanging beam (1) is a pair of parallel inverted U-shaped steel, connecting lugs are arranged at the upper ends of the hanging beam (1), the telescopic end of an iron roughneck telescopic arm (18) is connected with the connecting lugs through a pin shaft IV (11), and a plurality of pin holes corresponding to each other in the vertical position are arranged on the side surface of the hanging beam (1) and the upper end of the connecting frame (4);
at least two pairs of flexible suspension devices which are parallel to each other and at least one pair of buffer devices (6) which are parallel to each other are arranged between the connecting frame (4) and the hanging beam (1);
the flexible suspension device is of a ring chain type structure or a steel wire rope and comprises a pair of front suspension chains (2) and a pair of rear suspension chains (8).
2. The floating tong head suspension device for iron roughneck according to claim 1, characterized in that the upper end of the flexible suspension device is connected with the suspension beam (1) through a pin I (3), and the lower end of the flexible suspension device is connected with the connecting frame (4) through a pin or a shackle (16).
3. The floating type tong head suspension device for the iron roughneck as claimed in claim 1, wherein the upper ends of the front hanging chain (2) and the rear hanging chain (8) are connected with the suspension beam (1) through a pin I (3), the lower end of the front hanging chain (2) is connected with the connecting frame (4) through a pin I (3), and the lower end of the rear hanging chain (8) is connected with the connecting frame (4) through a shackle (16).
4. The floating type tong head suspension device for the iron roughneck as claimed in claim 1, wherein both ends of the cross brace (5) are fixedly connected with the connecting frame (4) through a pair of pin shafts III (10).
5. The floating type tong head suspension device for the iron roughneck according to claim 1, wherein the hanging frame (7) is a U-shaped square frame, and two sides of the upper end of the hanging frame (7) are fixedly connected with the hanging beam (1) through a pair of pin shafts II (9) respectively.
6. The floating tong head suspension device for iron roughnecks according to claim 1, characterized in that retaining rings (14) are arranged between the bottom cross beam of the hanger (7) and the nut (15) and between the bottom cross beam of the hanger (7) and the buffer spring (13).
7. The debugging method of the floating type tong head suspension device for the iron roughneck as claimed in any one of the claims 1 to 6, characterized by comprising the following steps:
step 1, initial assembly: firstly, connecting the telescopic end of an iron roughneck telescopic arm (18) with a hanging beam (1), then rotationally connecting the upper end of a flexible suspension device with the hanging beam (1), rotationally connecting the lower end of the flexible suspension device with a connecting frame (4), fixedly connecting the two ends of a cross brace (5) with the connecting frame (4), fixedly connecting the upper end of a hanging frame (7) with the hanging beam (1), then sequentially sleeving a buffer spring (13), the cross brace (5), the buffer spring (13), a bottom cross beam of the hanging frame (7) and a nut (15) on a guide pin (12), fixedly connecting the connecting frame (4) with a tong head assembly (17), finishing the assembly of the iron roughneck floating type tong head suspension device, and ensuring that the connecting frame (4) is not inclined in a horizontal state; the buffer device (6) is adjusted to ensure that the compression amounts of the buffer springs (13) on the two sides of the cross brace (5) are the same, and the working flexibility of the buffer springs (13) does not exceed the compression limit;
step 2, buffer adjustment: when a drill rod is processed, when the floating type tong head suspension device for the iron roughneck shakes violently and reacts excessively sensitively, the nut (15) on the buffer device (6) is unscrewed, the compression amount of the buffer springs (13) on the two sides of the cross brace (5) is the same, and the working flexibility of the buffer springs (13) does not exceed the compression limit, so that the compression degree of the buffer springs (13) is reduced, and the rigidity of the springs is reduced; on the contrary, when the floating type tong head suspension device for the iron roughneck shakes to be fatigue and slow in response during drill rod processing, the nut (15) on the buffer device (6) is screwed, the compression amount of the buffer springs (13) on the two sides of the cross arm (5) is the same, the working flexibility of the buffer springs (13) does not exceed the compression limit, the compression degree of the buffer springs (13) is improved, and the spring stiffness is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628635.9A CN110374525B (en) | 2019-07-12 | 2019-07-12 | Iron roughneck floating type tong head suspension device and debugging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628635.9A CN110374525B (en) | 2019-07-12 | 2019-07-12 | Iron roughneck floating type tong head suspension device and debugging method thereof |
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| Publication Number | Publication Date |
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| CN110374525A CN110374525A (en) | 2019-10-25 |
| CN110374525B true CN110374525B (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910628635.9A Active CN110374525B (en) | 2019-07-12 | 2019-07-12 | Iron roughneck floating type tong head suspension device and debugging method thereof |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3518903A (en) * | 1967-12-26 | 1970-07-07 | Byron Jackson Inc | Combined power tong and backup tong assembly |
| CN203559817U (en) * | 2013-10-21 | 2014-04-23 | 中国石油化工股份有限公司 | Tong head floating mechanism for iron roughneck |
| CN104179465A (en) * | 2014-07-14 | 2014-12-03 | 陕西启源科技发展有限责任公司 | Iron roughneck |
| CN204283262U (en) * | 2014-11-07 | 2015-04-22 | 湖南三一石油科技有限公司 | A kind of boom system and iron driller |
| CN104879074B (en) * | 2015-06-05 | 2017-05-10 | 宝鸡石油机械有限责任公司 | Rail type iron roughneck spinning wrench |
| CN206888935U (en) * | 2017-04-28 | 2018-01-16 | 连云港杰瑞自动化有限公司 | A kind of fully automatic hydraulic power tongs |
| CN206971873U (en) * | 2017-07-31 | 2018-02-06 | 中国铁路总公司 | Tuned mass damper |
| CN107485471B (en) * | 2017-08-22 | 2019-04-26 | 电子科技大学中山学院 | Elastic-driven power type bionic knee joint |
| CN208236363U (en) * | 2018-05-14 | 2018-12-14 | 江苏诚创智能装备有限公司 | A kind of iron driller |
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2019
- 2019-07-12 CN CN201910628635.9A patent/CN110374525B/en active Active
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Effective date of registration: 20200927 Address after: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant after: Baoji Oilfield Machinery Co.,Ltd. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant before: Baoji Oilfield Machinery Co.,Ltd. |
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